The A-99 works very well on 10 meters. With a good tuner it can even do 20 meters.
How big of a difference is the fan dipole going to make over the Antron 99? I've been tuning around 10 and 20 meter last night until late and most of the day today and have heard perhaps 15 discussions total, and all were pretty weak...3's or even 2's maybe? They were pretty clewar, 4-5's, but real weak and not many of them.